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The common nitrogen-fixer in paddy field...

The common nitrogen-fixer in paddy fields is

A

Frankia

B

Rhizobium

C

Azospirillum

D

Oscillatoria

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TRUEMAN BIOLOGY-MICROBES IN HUMAN WELFARE -Multiple choice question
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  2. which one of the following is not used in organic farming

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  3. The common nitrogen-fixer in paddy fields is

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  4. In the sewage treatement, bacterial flocs are allowed to sediment iin ...

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  5. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  6. Which one of the following is not a biofertlizer

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  7. Secondary sewage treatment is mainly a

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  8. Which of the following is mainly produced by the activity of anaerobic...

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  9. Ethanol is commercially produced through a particular species of:-

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  10. which one of the following helps in asbsorption of phosphorus ...

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  11. Which one of the following is a wrong matching of a microbe and its in...

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  12. Cyclosporine-A is an immunosuppressive agent produced by the fungus

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  13. A Bioactive molecule, Cyclosporin-A used as an immuno-suppressive agen...

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  14. The scientific name of Baker's yeast is

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  15. The majority of Baculo viruses are used as biological control agents b...

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  16. The large holes in 'Swiss cheese' are because of

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  17. Blood cholesterol lowering statins are obtained from

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  18. Which organic compound is produced by fer- mentation and is used to re...

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  19. Which one of the following is a wrong matching of a microbe and its in...

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  20. Yeast is used in the production of

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